Home / 854,778.94-1,184,989.17-809,274.76

Finding the Fourth Proportional to 854,778.94, 1,184,989.17 and 809,274.76

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Solution

The fourth proportional to 854,778.94, 1,184,989.17 and 809,274.76 is: 1,121,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,778.94 : 1,184,989.17 = 809,274.76 : x
  2. Step 2: Convert to fraction form
    854,778.94/1,184,989.17 = 809,274.76/x
  3. Step 3: Cross multiply
    854,778.94x = 1,184,989.17 × 809,274.76
  4. Step 4: Simplify right side
    854,778.94x = 958,981,826,154.35
  5. Step 5: Solve for x
    x = 958,981,826,154.35/854,778.94
  6. Step 6: Final answer
    x = 1,121,906.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.